Home › UGC NET › datainterpretation › Data Interpretation — Correlation › Correlation coefficient (r) ranges between:
Correlation coefficient (r) ranges between:
A0 and 1
B-1 and 1
C-1 and 0
D-2 and 2
Answer & Solution
Correct answer: B. -1 and 1
1. Pearson's r is bounded.
2. r ∈ [-1, +1], with 0 = no linear relation.
3. Hence -1 and 1.
_Source: UGC NET Paper 1 Study Book (ugc-net.com class notes) — Correlation_